NPPES file of Aug 9, 2026

James L. Frey, M.D.

Neurology Physician · Phoenix, AZ

James L. Frey, M.D. is a neurology physician with a practice address in Phoenix, Arizona, and NPI 1275640591, issued on Aug 23, 2006. Check the license (Arizona 10728, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1275640591
Name
James L. Frey
Credential
M.D.
Primary taxonomy
Neurology Physician 2084N0400X
License number
10728 AZ
Self-reported in NPPES; status is on the state search
Practice location
500 W Thomas RD, Phoenix, AZ 85013
Phone
(602) 406-6262
Enumerated
Aug 23, 2006
Record last updated
Jul 25, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(602) 406-6260
Medicaid ID
412023 AZ
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest neurology physician records → All 458 in Arizona → Look up another NPI →

Also registered at 500 W Thomas RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lishan Aklog, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1801817937
  2. Charles Alfano, MD PCObstetrics & Gynecology Physician1164418422
  3. Naftaly Attias, MDOrthopaedic Surgery of the Spine Physician1770650160
  4. Adam Balzer, ANPAdult Health Nurse Practitioner1386611507
  5. Tanya Belcheff, CNMAdvanced Practice Midwife1801991930
  6. Cody Brechtel, DOAnesthesiology Physician1881014033

Verify James L. Frey in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 10728    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

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94% fewer Medicare Part D claims than the average neurology physician in 2024

85 Medicare Part D claims, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.

  1. James Frey85
  2. Specialty average1,370

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

James L. Frey among 458 neurology physician records in Arizona

James L. Frey, M.D. is one of 458 neurology physician records with a practice address in Arizona. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 60% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileNo · 65% of these records are
  • Record last updated2012 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in Arizona

There are 458 neurology physician records in Arizona.

All 458 in Arizona → Every provider in Phoenix → Neurology Physician nationwide →

The 8 neurology physician records with the nearest ZIP codes

  1. Richard Burns, M.D.Phoenix, AZ 850131891801593
  2. Steve Chung, M.D.Phoenix, AZ 850131942317359
  3. Susan Criswell, MDPhoenix, AZ 850131619993938
  4. Terry Fife, MDPhoenix, AZ 850131346248390
  5. Abraham Lieberman, M.D.Phoenix, AZ 850131548203573
  6. Paul Macdonald, M.D.Phoenix, AZ 850131518929249
  7. Brad Racette, MDPhoenix, AZ 850131174549307
  8. Marwan Sabbagh, MDPhoenix, AZ 850131497748289

Common questions

What is James L. Frey, M.D.'s NPI number?

James L. Frey, M.D.'s National Provider Identifier (NPI) is 1275640591, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James L. Frey, M.D. located?

The NPPES record lists a practice address at 500 W Thomas RD, Phoenix, AZ, 85013. Phone: (602) 406-6262. Providers update this record themselves, so call before visiting.

How can I verify James L. Frey, M.D.'s license?

NPPES lists Arizona license number 10728, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does James L. Frey, M.D. prescribe under Medicare Part D?

In 2024, James L. Frey, M.D. had 85 Medicare Part D claims; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.